1285191739748

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2129}}^1\times {\mathrm{22481}}^1$

素因数の和:24765

約数の個数: 72

約数和(自身を含む): 2636735272920

約数和(自身を除く): 1351543533172

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 959, 1918, 2129, 3836, 4258, 6713, 8516, 13426, 14903, 22481, 26852, 29806, 44962, 59612, 89924, 104321, 157367, 208642, 291673, 314734, 417284, 583346, 629468, 1101569, 1166692, 2041711, 2203138, 3079897, 4083422, 4406276, 6159794, 8166844, 12319588, 14291977, 21559279, 28583954, 43118558, 47862049, 57167908, 86237116, 95724098, 150914953, 191448196, 301829906, 335034343, 603659812, 670068686, 1340137372, 2345240401, 4690480802, 6557100713, 9380961604, 13114201426, 26228402852, 45899704991, 91799409982, 183598819964, 321297934937, 642595869874, 1285191739748]

約数ペア:

[(1, 1285191739748), (2, 642595869874), (4, 321297934937), (7, 183598819964), (14, 91799409982), (28, 45899704991), (49, 26228402852), (98, 13114201426), (137, 9380961604), (196, 6557100713), (274, 4690480802), (548, 2345240401), (959, 1340137372), (1918, 670068686), (2129, 603659812), (3836, 335034343), (4258, 301829906), (6713, 191448196), (8516, 150914953), (13426, 95724098), (14903, 86237116), (22481, 57167908), (26852, 47862049), (29806, 43118558), (44962, 28583954), (59612, 21559279), (89924, 14291977), (104321, 12319588), (157367, 8166844), (208642, 6159794), (291673, 4406276), (314734, 4083422), (417284, 3079897), (583346, 2203138), (629468, 2041711), (1101569, 1166692)]